US president urged to support postwar multilateral system at D-Day ceremonies

As US and French presidents make effort get along Vladimir Putin’s absence widely noted

Realistically the creation of a European army is far away

Offshore oil and gas extraction poses a huge threat to the health of marine ecosystems

Donald Tusk says US doesn’t have many allies as Trump hits out at cost of Nato to US

Macron to resist attempts to designate Nato as full partner in fight against Islamic State

Marine Le Pen, leader of the far-right Front National, is polling strongly in France’s presidential race. Can she emulate Donald Trump’s populist success?

‘We face the greatest challenges to our security in a generation,’ says Stoltenberg

Ted Cruz says comments of rival for Republican nomination ‘catastrophically foolish’

Nato chief tells Munich Security Conference Russian rhetoric aimed at undermining trust and stability in Europe

Decisive action, tight co-operation between services the best ways to deal with threats

Both sides training with the other side’s capabilities and ‘most likely’ war plans in mind

What have been the consequences of German unification for Europe and the world?

‘Russia is practically at war against Europe,’ says Lithuania president

Nato officer claims thousands of Russian combat troops have moved inside Ukraine

Lakenheath in Suffolk is keeping a close eye on developments in eastern Europe

US may vote as soon as today on €1bn-plus package of aid for Ukraine’s government

Opinion: Women are the most opposed of any category to Scottish independence